Re: linux-next: build failure after merge of the aio tree
From: Benjamin LaHaise
Date: Tue Mar 15 2016 - 12:22:33 EST
On Tue, Mar 15, 2016 at 04:19:02PM +0000, Sudip Mukherjee wrote:
> On Tue, Mar 15, 2016 at 05:46:34PM +1100, Stephen Rothwell wrote:
> > Hi Benjamin,
> > After merging the aio tree, today's linux-next build (powerpc
> > ppc44x_defconfig) failed like this:
> > fs/built-in.o: In function `aio_thread_op_foo_at':
> > aio.c:(.text+0x4dab4): undefined reference to `__get_user_bad'
> > aio.c:(.text+0x4daec): undefined reference to `__get_user_bad'
> > Caused by commit
> > 150a0b4905f1 ("aio: add support for async openat()")
> > despite commit
> > d2f7a973e11e ("aio: don't use __get_user() for 64 bit values")
> > This is due to a bug in the powerpc __get_user_check() macro (the return
> > value is defined to be "unsigned long" which is only 32 bits on a 32
> > bit platform).
> m68k allmodconfig and all defs of m32r fails while building next-20160315.
I've removed everything from the aio-next.git tree for now. Will revisit
after the merge window.
"Thought is the essence of where you are now."